The Unger Ergotec Ninja scrapers are in a class of their own with unmatched quality, performance, and versatility. Sharing the ergonomic grip of the other Ninja hand tools the new Ninja scrapers are comfortable and nicely weighted. Capable of locking onto your Unger extension poles for safe, high scraping. Comes in a 4-inch and 6-inch option. The most amazing feature of the new Ergotec Scrapers is the ability to change from a straight scraper or 0° to an angled scraper or 30°. There is no other scraper on the market today capable of changing angles. The Ergotec Ninja scrapers come equipped with the new stainless steel blade. This is a great scraper for daily use. The new stainless steel blades have the most effective edge on the market, crafted for speed and longevity. The blade is covered with a removable safety cap.